Hmm I would like to be able to experience some games when they were released? Or with the appropriate cultural context?
I tried playing some old games and they just seem bad to me, even in the standards at the time, people overlooking 90% of gameplay because of fancy and emotional cutscenes (FF games. All of them, you waste SO MUCH TIME in badly designed menus... it's not problem with slow combat, it's problem with using skipping menus as form of combat on a fucking console, though even on PC it would be questionable)
And some games that are no longer as.. fresh? I didn't have PS when Journey was released, and it seemed to be a very "you have to play it in the moment" game. Similarly with most multiplayer games, they are most fun when community is fresh, and not everyone copies whatever the wiki tells them to do.
If you are getting a PC for the first time I suggest picking one game from some of the popular genres to find what you like.
City building I recommend Anno games, or city skylines (sim city 3000 is cool if you can get used to the graphics). Do not skip on Sims if you haven't played them ever, they are not just casual game, they are really well done and enjoyable. Divinity Original Sin are enjoyable for beginners turn based RPGs.. hmm... Hades for modern action rougelikes supposedly, though I haven't played it.